The ASTM A182 F347 forged socket weld half coupling is a vital component used to connect a pipe to another pipe or fitting, allowing for a branching connection in a piping system. Made from F347 stainless steel, this half coupling is specifically engineered to offer high resistance to intergranular corrosion and thermal stresses due to its stabilization with columbium (niobium). This material characteristic makes it suitable for applications in high-temperature environments. The socket weld design ensures a strong, leak-proof joint by fitting over the pipe and welding it in place. The forged construction enhances the coupling’s strength and durability, making it ideal for high-pressure applications in industries such as petrochemical, chemical processing, and aerospace. The half coupling’s design ensures a secure and reliable connection, crucial for maintaining the integrity of the piping system.
| Property | Details |
|---|---|
| Standard | ASTM A182 |
| Material | Stainless Steel F347 |
| Chemical Composition | Chromium (Cr): 17-19%<br>Nickel (Ni): 9-13%<br>Columbium (Cb): 10 x C%<br>Carbon (C): Max 0.08%<br>Manganese (Mn): Max 2%<br>Silicon (Si): Max 1%<br>Phosphorus (P): Max 0.045%<br>Sulfur (S): Max 0.03% |
| Mechanical Properties | Tensile Strength: Min 520 MPa (75,300 psi)<br>Yield Strength: Min 210 MPa (30,500 psi)<br>Elongation: Min 30% |
| Type | Forged Socket Weld Half Coupling |
| Connection Type | Socket Weld |
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